From the prefix de-, to undo and phlogisticate, to give flammability to, from French dÃ©phlogistiguer, to dephlogisticate.
IPA|/ËĆdiflÉĎËąÊ¤ÉªstÉªËĆke(Éª)t/ (US) or /ËĆdiflÉíËąÊ¤ÉªstÉªËĆkeÉªt/ (UK)
SAMPA|/%diflA"dZIstI%ke(I)t/</tt> (US) or <tt>/%diflQ"dZIstI%keIt/</tt> (UK)<tt>
#To take away the phlogiston, i.e. ability to burn, which is now understood to be chemically impossible